private void submit_Click(object sender, EventArgs e) { try { String oldPassword = pos.changePassword(pointOfSale.label1.Text); if (oldPassword != txtOldPassword.Text) { MessageBox.Show("Your password didnt match!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } if (txtNewPassword.Text != txtConfirmPassword.Text) { MessageBox.Show("Your new password didnt match!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } DialogResult result = MessageBox.Show("Do you really want to change your password?", "Question", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (result == DialogResult.Yes) { pos.updPassword(pointOfSale.label1.Text, txtNewPassword.Text, this); } else { return; } } catch (Exception ex) { MessageBox.Show(ex.Message); } }